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高排放标准下污水处理厂深度处理工艺分析 被引量:5

Analysis of the effect of advanced treatment process in wastewater treatment plant under high discharge standard
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摘要 依托3座市政污水处理厂开展了混凝沉淀-深床滤池-消毒深度处理工艺的效果分析。生物二级处理出水中需要关注SCOD、NO_(3)^(-)-N、颗粒性磷和PO_(4)^(3-)-P的去除效果,这些组分占COD、TN和TP的平均比例分别为71%、87%和75%以上。深度处理对COD、TN和TP的平均去除率分别为25.4%、15.5%和47.6%,ΔCOD/ΔPAC与ΔTP/ΔPAC(平均质量比)分别为1.4和0.07。深度处理显著提升了出厂水水质,对COD、TN、TP、SS和色度稳定达标起到了保障作用。 Effects of coagulation/sedimention-deep bed filter-disinfection were introduced in this paper,which carried out on the three municipal wastewater treatment plants.SCOD,NO_(3)^(-)-N,particulate phosphorus-P and PO_(4)^(3-)-P are the main portion in the effluent of the secondary clarifier,and the corresponding average value was more than 71%、87%和75%.The average removal rates of COD、TN and TP in advanced treatment were 25.4%,15.5%and 47.6%respectively.ΔCOD/ΔPAC andΔTP/ΔPAC(the average mass ratio)was 1.4and 0.07.The effluent quality was significantly improved after the advanced treatment stage,and this stage guarantees the stability of COD,TN,TP,SS and chromaticity.
作者 张玲玲 陈轶 尚巍 顾淼 游佳 张维 李鹏峰 吕小佳 ZHANG Lingling;CHEN Yi;SHANG Wei;GU Miao;YOU Jia;ZHANG Wei;LI Pengfeng;LYU Xiaojia(North China Munici pal Engineering Design and Research Institute Co.,Ltd.,Tianjin 300074,China)
出处 《给水排水》 CSCD 北大核心 2021年第4期72-75,共4页 Water & Wastewater Engineering
基金 国家水体污染控制与治理科技重大专项(2017ZX07106005)。
关键词 提标改造 深度处理 混凝沉淀 深床滤池 有机物及磷组分 污水处理厂 Upgrade Enhanced removal Coagulation sedimentation Deep bed filter Component of organic removal and phosphorus Wastewater treatment plant
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